--- title: "dia vs EmotiVoice" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/nari-labs-dia-vs-netease-youdao-emotivoice" tools: ["nari-labs-dia", "netease-youdao-emotivoice"] --- # dia vs EmotiVoice *GraphCanon updated Sep 20, 2026* ## Verdict Pick dia if dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue; pick EmotiVoice if emotiVoice is an emotion-driven text-to-speech engine that emphasizes voice diversity and prompt control, allowing users to generate speech with varied emotions and speaking styles. [dia](https://github.com/nari-labs/dia) reports 19k GitHub stars, 1.7k forks, and 91 open issues, last pushed Nov 19, 2025. [EmotiVoice](https://github.com/netease-youdao/EmotiVoice) has 8.5k stars, 756 forks, and 137 open issues, last pushed Sep 3, 2026. Figures are from public GitHub metadata via [dia's repository](https://github.com/nari-labs/dia) and [EmotiVoice's repository](https://github.com/netease-youdao/EmotiVoice). | | [dia](/tools/nari-labs-dia.md) | [EmotiVoice](/tools/netease-youdao-emotivoice.md) | | --- | --- | --- | | Tagline | A TTS model for generating ultra-realistic dialogue | A Multi-Voice and Prompt-Controlled TTS Engine | | Stars | 19,400 | 8,528 | | Forks | 1,690 | 756 | | Open issues | 91 | 137 | | Language | Python | Python | | Adopt for | Dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue. | EmotiVoice is an emotion-driven text-to-speech engine that emphasizes voice diversity and prompt control, allowing users to generate speech with varied emotions and speaking styles. | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | Apache-2.0 | | Categories | Speech & Audio | Speech & Audio | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [dia](/tools/nari-labs-dia.md) | [EmotiVoice](/tools/netease-youdao-emotivoice.md) | | --- | --- | --- | | Maintenance | Slowing (36%) | Active (82%) | | Days since push | 304d | 16d | | Open issues (now) | 91 | 137 | | Stars delta | +39 (30d) | +27 (30d) | | Owner type | Organization | User | | Full report | [trust report](/tools/nari-labs-dia/trust.md) | [trust report](/tools/netease-youdao-emotivoice/trust.md) | ## Shared compatibility - **Python**: [dia](/tools/nari-labs-dia.md) - Python runtime; [EmotiVoice](/tools/netease-youdao-emotivoice.md) - Python runtime ## Decision facts: dia - **Adopt for:** Dia is an open-weight text-to-dialogue model providing full control over scripts and voices, ideal for generating ultra-realistic dialogue. ## Decision facts: EmotiVoice - **Adopt for:** EmotiVoice is an emotion-driven text-to-speech engine that emphasizes voice diversity and prompt control, allowing users to generate speech with varied emotions and speaking styles. ## Choose when ### Choose dia if… - Tags unique to dia: dialogue-generation, text-to-speech, tts. - When you require precise control over voice and script in the creation of highly realistic dialogues - More GitHub stars (19k vs 8.5k) - visibility, not fit. ### Choose EmotiVoice if… - Tags unique to EmotiVoice: ai, deep-learning, emotion, multispeaker. - EmotiVoice ships Docker support for self-hosted deployment. - When you need a TTS solution capable of handling multiple speaker voices in a single project ## When NOT to use dia - If your setup lacks a GPU, as Dia has not yet added CPU support - In scenarios where immediate real-time performance is critical since the first run could be longer due to additional codec downloads ## When NOT to use EmotiVoice - For setups without access to an NVidia GPU, as EmotiVoice requires one for running its Docker image - When deploying applications that have strict latency requirements and cannot accommodate the startup time of a Docker container or the processing demands of GPU computations ## Common questions ### What is the difference between dia and EmotiVoice? dia: A TTS model for generating ultra-realistic dialogue. EmotiVoice: A Multi-Voice and Prompt-Controlled TTS Engine. See the comparison table for live GitHub stats and shared categories. ### When should I choose dia over EmotiVoice? Choose dia over EmotiVoice when Tags unique to dia: dialogue-generation, text-to-speech, tts; When you require precise control over voice and script in the creation of highly realistic dialogues; More GitHub stars (19k vs 8.5k) - visibility, not fit. ### When should I choose EmotiVoice over dia? Choose EmotiVoice over dia when Tags unique to EmotiVoice: ai, deep-learning, emotion, multispeaker; EmotiVoice ships Docker support for self-hosted deployment; When you need a TTS solution capable of handling multiple speaker voices in a single project. ### When should I avoid dia? If your setup lacks a GPU, as Dia has not yet added CPU support In scenarios where immediate real-time performance is critical since the first run could be longer due to additional codec downloads ### When should I avoid EmotiVoice? For setups without access to an NVidia GPU, as EmotiVoice requires one for running its Docker image When deploying applications that have strict latency requirements and cannot accommodate the startup time of a Docker container or the processing demands of GPU computations ### Is dia or EmotiVoice more popular on GitHub? dia has more GitHub stars (19,400 vs 8,528). Stars measure visibility, not whether either tool fits your constraints. ### Are dia and EmotiVoice open source? Yes - both are open-source projects on GitHub (dia: Apache-2.0, EmotiVoice: Apache-2.0). ### Where can I find alternatives to dia or EmotiVoice? GraphCanon lists graph-backed alternatives at [dia alternatives](/tools/nari-labs-dia/alternatives) and [EmotiVoice alternatives](/tools/netease-youdao-emotivoice/alternatives) ([dia markdown twin](/tools/nari-labs-dia/alternatives.md), [EmotiVoice markdown twin](/tools/netease-youdao-emotivoice/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/nari-labs-dia-vs-netease-youdao-emotivoice.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, dia or EmotiVoice? dia: Slowing. EmotiVoice: Active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for dia and EmotiVoice? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [dia trust report](/tools/nari-labs-dia/trust); [EmotiVoice trust report](/tools/netease-youdao-emotivoice/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=nari-labs-dia`](/api/graphcanon/graph?tool=nari-labs-dia) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_